| Gretna to Santa Ursula | 4,356.82 mi (7,011.63 km) |
| Gretna to Santander | 4,657.33 mi (7,495.24 km) |
| Gretna to Santany | 5,098.98 mi (8,206.02 km) |
| Gretna to Santiago de Compostela | 4,445.13 mi (7,153.75 km) |
| Gretna to Santiago del Teide | 4,341.75 mi (6,987.36 km) |
| Gretna to Santiponce | 4,696.86 mi (7,558.87 km) |
| Gretna to Santomera | 4,931.84 mi (7,937.03 km) |
| Gretna to Santona | 4,674.16 mi (7,522.34 km) |
| Gretna to Santurce-Antiguo | 4,696.89 mi (7,558.92 km) |
| Gretna to Sarria | 4,501.43 mi (7,244.35 km) |
| Gretna to Sauzal | 4,358.63 mi (7,014.54 km) |
| Gretna to Sedavi | 4,926.49 mi (7,928.42 km) |
| Gretna to Segorbe | 4,909.59 mi (7,901.23 km) |
| Gretna to Segovia | 4,704.23 mi (7,570.73 km) |
| Gretna to Senmanat | 4,985.69 mi (8,023.69 km) |
